Re: [gnugo-devel] Dragon dinners

[bump]

> Not absolute life but local life. By locally alive I mean that the
> dragon can make two definite eyes within the available eyespace or
> strongly connect (in the readconnect sense) to a living neighbor even
> if the opponent moves first. This could be implemented as a variation
> of the current owl code with the following modifications:
> 1. Escape potential is ignored. The dragon cannot claim life due to
>    this. (owl.c line 1974)
> 2. If the maximum depth is reached or the owl nodes are exhausted, the
>    dragon is dead. (Usual owl reading says alive in those cases.)
> 3. Escape patterns are not used, except ones which connect to a
>    strong friendly dragon.
> 4. Other patterns which do not clearly aim to make eyes (including
>    expanding the eyespace) are also discarded.
> 5. Patterns to solidify potential eyespace and to split existing
>    eyespace into two distinct eyes should be added.
> 
> This wouldn't be very hard to implement, except that we need to handle
> the caching issues so that the usual owl reading and the local owl
> reading are not mixed up.

So the owl code would be run twice I suppose.

Dan